Parkinson's disease improvement after the addition of levodopa-carbidopa to anticholinergic treatment. An open controlled study

MeSH terms

• Administration, Oral
• Adult
• Aged
• Carbidopa / administration & dosage
• Carbidopa / therapeutic use*
• Drug Evaluation
• Drug Therapy, Combination
• Female
• Humans
• Levodopa / administration & dosage
• Levodopa / therapeutic use*
• Male
• Middle Aged
• Muscle Rigidity / drug therapy
• Parkinson Disease, Secondary / drug therapy*
• Tremor / drug therapy
• Trihexyphenidyl / administration & dosage
• Trihexyphenidyl / therapeutic use*